Benzoic acid melt, 10x * 1.25 POL

20120926-DSLR_IMG_0005_1.jpg by pwnell, on Flickr
Benzoic acid dissolved in boiling water, cooled down, 10x POL

20120926-DSLR_IMG_0013.jpg by pwnell, on Flickr
Benzoic acid dissolved in boiling water, cooled down, 20x POL

20120926-DSLR_IMG_0021.jpg by pwnell, on Flickr
Benzoic acid melted, 10x POL

20120926-DSLR_IMG_0029.jpg by pwnell, on Flickr
Benzoic acid melted, 10x POL

20120926-DSLR_IMG_0035.jpg by pwnell, on Flickr
Benzoic acid melted, 10x POL

20120926-DSLR_IMG_0039.jpg by pwnell, on Flickr
Benzoic acid melted, 10x POL

20120926-DSLR_IMG_0051.jpg by pwnell, on Flickr
Tannic acid dissolved, 10x * 1.25 POL

20120926-DSLR_IMG_0073.jpg by pwnell, on Flickr
Tannic acid dissolved, 10x * 1.25 POL

20120926-DSLR_IMG_0077.jpg by pwnell, on Flickr